Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-01-29 06:27:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

camelcase conventions

Browse Source
This commit is contained in:
Jeremy Ashkenas
2010-02-24 12:10:07 -05:00
parent 39024c35a6
commit 69bb3490b3
1 changed files with 22 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
underscore.js
View File

@@ -33,17 +33,17 @@
// All native implementations we hope to use are declared here.
var
native_forEach = ArrayProto.forEach,
native_map = ArrayProto.map,
native_reduce = ArrayProto.reduce,
native_reduceRight = ArrayProto.reduceRight,
native_filter = ArrayProto.filter,
native_every = ArrayProto.every,
native_some = ArrayProto.some,
native_indexOf = ArrayProto.indexOf,
native_lastIndexOf = ArrayProto.lastIndexOf,
native_isArray = Array['isArray'], // use [] notation since not in closure's externs
native_keys = Object['keys'];
nativeForEach = ArrayProto.forEach,
nativeMap = ArrayProto.map,
nativeReduce = ArrayProto.reduce,
nativeReduceRight = ArrayProto.reduceRight,
nativeFilter = ArrayProto.filter,
nativeEvery = ArrayProto.every,
nativeSome = ArrayProto.some,
nativeIndexOf = ArrayProto.indexOf,
nativeLastIndexOf = ArrayProto.lastIndexOf,
nativeIsArray = Array.isArray,
nativeKeys = Object.keys;
// Create a safe reference to the Underscore object for reference below.
var _ = function(obj) { return _.buildWrapper(obj); };
@@ -66,7 +66,7 @@
_.forEach = function(obj, iterator, context) {
var index = 0;
try {
if (obj.forEach === native_forEach) {
if (obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (_.isNumber(obj.length)) {
for (var i=0, l=obj.length; i<l; i++) iterator.call(context, obj[i], i, obj);
@@ -84,7 +84,7 @@
// Return the results of applying the iterator to each element.
// Delegates to JavaScript 1.6's native map if available.
_.map = function(obj, iterator, context) {
if (obj.map === native_map) return obj.map(iterator, context);
if (obj.map === nativeMap) return obj.map(iterator, context);
var results = [];
each(obj, function(value, index, list) {
results.push(iterator.call(context, value, index, list));
@@ -95,7 +95,7 @@
// Reduce builds up a single result from a list of values, aka inject, or foldl.
// Delegates to JavaScript 1.8's native reduce if available.
_.reduce = function(obj, memo, iterator, context) {
if (obj.reduce === native_reduce) return obj.reduce(_.bind(iterator, context), memo);
if (obj.reduce === nativeReduce) return obj.reduce(_.bind(iterator, context), memo);
each(obj, function(value, index, list) {
memo = iterator.call(context, memo, value, index, list);
});
@@ -105,7 +105,7 @@
// The right-associative version of reduce, also known as foldr. Uses
// Delegates to JavaScript 1.8's native reduceRight if available.
_.reduceRight = function(obj, memo, iterator, context) {
if (obj.reduceRight === native_reduceRight) return obj.reduceRight(_.bind(iterator, context), memo);
if (obj.reduceRight === nativeReduceRight) return obj.reduceRight(_.bind(iterator, context), memo);
var reversed = _.clone(_.toArray(obj)).reverse();
return reduce(reversed, memo, iterator, context);
};
@@ -125,7 +125,7 @@
// Return all the elements that pass a truth test.
// Delegates to JavaScript 1.6's native filter if available.
_.filter = function(obj, iterator, context) {
if (obj.filter === native_filter) return obj.filter(iterator, context);
if (obj.filter === nativeFilter) return obj.filter(iterator, context);
var results = [];
each(obj, function(value, index, list) {
iterator.call(context, value, index, list) && results.push(value);
@@ -146,7 +146,7 @@
// Delegates to JavaScript 1.6's native every if available.
_.every = function(obj, iterator, context) {
iterator = iterator || _.identity;
if (obj.every === native_every) return obj.every(iterator, context);
if (obj.every === nativeEvery) return obj.every(iterator, context);
var result = true;
each(obj, function(value, index, list) {
if (!(result = result && iterator.call(context, value, index, list))) _.breakLoop();
@@ -158,7 +158,7 @@
// Delegates to JavaScript 1.6's native some if available.
_.some = function(obj, iterator, context) {
iterator = iterator || _.identity;
if (obj.some === native_some) return obj.some(iterator, context);
if (obj.some === nativeSome) return obj.some(iterator, context);
var result = false;
each(obj, function(value, index, list) {
if (result = iterator.call(context, value, index, list)) _.breakLoop();
@@ -343,7 +343,7 @@
// item in an array, or -1 if the item is not included in the array.
// Delegates to JavaScript 1.8's native indexOf if available.
_.indexOf = function(array, item) {
if (array.indexOf === native_indexOf) return array.indexOf(item);
if (array.indexOf === nativeIndexOf) return array.indexOf(item);
for (var i=0, l=array.length; i<l; i++) if (array[i] === item) return i;
return -1;
};
@@ -351,7 +351,7 @@
// Delegates to JavaScript 1.6's native lastIndexOf if available.
_.lastIndexOf = function(array, item) {
if (array.lastIndexOf === native_lastIndexOf) return array.lastIndexOf(item);
if (array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
var i = array.length;
while (i--) if (array[i] === item) return i;
return -1;
@@ -433,7 +433,7 @@
// Retrieve the names of an object's properties.
// Delegates to ECMA5's native Object.keys
_.keys = native_keys || function(obj) {
_.keys = nativeKeys || function(obj) {
if (_.isArray(obj)) return _.range(0, obj.length);
var keys = [];
for (var key in obj) if (hasOwnProperty.call(obj, key)) keys.push(key);
@@ -519,7 +519,7 @@
// Is a given value an array?
// Delegates to ECMA5's native Array.isArray
_.isArray = native_isArray || function(obj) {
_.isArray = nativeIsArray || function(obj) {
return !!(obj && obj.concat && obj.unshift);
};